2021 OW

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6501748642 ± 2.00e+00
Semi-major axis (a)2.7794088375 AU ± 3.00e+00
Inclination (i)14.67782766° ± 4.00e+00
Long. of Asc. Node (Ω)128.30841037° ± 5.00e+00
Arg. of Perihelion (ω)131.08857430° ± 6.00e+00
Mean Anomaly (M)342.70425498° ± 9.32e-02
Mean Motion (n)0.2127004200°/day ± 3.44e-01
Perihelion dist (q)0.97230610 AU ± 5.66e+00
Aphelion dist (Q)4.58657190 AU ± 7.44e+00
Orbital Period4.63378330 yr ± 7.50e+00
Physical Parameters
H (abs. magnitude)22.17
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.253″
Uncertainty2
Orbit TypeApollo
MOID0.065929 AU
Observations Used73
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-08-11
Observations (85)
Date Type RA Dec Mag Band Observatory
2021-07-29 01:03:38 C 19 31 03.34 -10 35 51.8 u 807
2021-07-29 01:07:06 C 19 31 04.73 -10 36 18.5 u 807
2021-07-29 21:01:30 C 19 39 21.63 -13 05 17.7 V 203
2021-07-29 21:12:13 C 19 39 24.52 -13 06 37.0 V L18
2021-07-29 21:14:21 C 19 39 26.61 -13 06 48.6 V 203
2021-07-29 21:16:13 C 19 39 26.06 -13 07 05.1 V L18
2021-07-29 21:20:13 C 19 39 27.65 -13 07 33.0 V L18
2021-07-29 21:26:06 C 19 39 31.16 -13 08 11.8 V 203
2021-07-30 04:00:33 C 19 42 06.87 -13 52 22.3 V W95
2021-07-30 04:08:05 C 19 42 09.69 -13 53 13.8 V W95
2021-07-30 04:15:35 C 19 42 12.46 -13 54 04.6 V W95
2021-07-30 10:18:28 C 19 44 33.73 -14 35 43.8 V T05
2021-07-30 10:24:28 C 19 44 35.94 -14 36 23.2 V T05
2021-07-30 10:33:09 C 19 44 39.06 -14 37 20.5 V T05
2021-07-30 11:16:08 C 19 44 54.69 -14 42 02.8 V T05
2021-07-31 04:11:01 C 19 51 16.17 -16 27 59.1 u 807
2021-07-31 04:18:16 C 19 51 18.65 -16 28 43.1 u 807
2021-07-31 04:25:12 C 19 51 21.03 -16 29 25.0 u 807
2021-07-31 14:26:32 C 19 54 57.26 -17 29 57.2 q D29
2021-07-31 14:45:37 C 19 55 03.59 -17 31 48.1 q D29
2021-07-31 15:04:42 C 19 55 09.89 -17 33 37.8 q D29
2021-08-01 09:10:46 C 20 01 18.93 -19 12 51.5 V T08
2021-08-01 09:13:25 C 20 01 19.75 -19 13 05.8 V T08
2021-08-01 09:17:24 C 20 01 20.98 -19 13 26.7 V T08
2021-08-01 09:26:01 C 20 01 23.62 -19 14 11.7 V T08
2021-08-02 10:23:27 C 20 09 14.71 -21 17 06.0 V T08
2021-08-02 11:00:18 C 20 09 25.07 -21 19 55.3 V T08
2021-08-02 11:08:28 C 20 09 27.38 -21 20 32.3 V T08
2021-08-05 09:09:03 C 20 28 18.89 -25 52 11.1 V T08
2021-08-05 09:11:43 C 20 28 19.49 -25 52 19.1 V T08
2021-08-05 09:15:42 C 20 28 20.37 -25 52 32.1 V T08
2021-08-05 09:22:59 C 20 28 21.99 -25 52 56.6 V T08
2021-08-11 02:37:09 C 20 54 59.04 -31 16 23.0 u 807
2021-08-11 02:42:52 C 20 54 59.86 -31 16 33.1 u 807
2021-08-11 02:46:53 C 20 55 00.43 -31 16 39.9 u 807